Description 【Adjustable lighting modes】Long press the light button to turn on the warm light. The second press changes the light to breathing light. The third press turns the light off. Enjoy uniform, flicker-free light for stress-free working and relaxation. 【Adjustable mist modes】: intermittent mist (3 seconds on / 2 seconds off), continuous mist, light only. You can simply press the mist button to select the modes you want. 【Quiet ultrasonic operation】 : Humidify your living space to prevent dry, stuffy air and cold flu/germs from infecting your loved ones. Avoid dry, cracked skin during the dry winter months. 【USB-powered/waterless auto shut-off】Powered by USB adapter (not powered by batteries, USB cable is included, USB adapter is not included). The humidifier will automatically shut off when the water runs out, you don't have to worry about your family being in danger or the device itself being damaged, it is safer than a normal humidifier. 【Widespread】Ideal for various